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looking for a downpipe install guide

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Old Feb 28, 2010 | 07:59 PM
  #1  
jamesyb's Avatar
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Joined: Feb 2010
Posts: 4
From: Petaluma
Car Info: '03 WRX
looking for a downpipe install guide

anyone have a good how to on taking off and putting on a downpipe?
Old Mar 5, 2010 | 08:39 PM
  #2  
apexwagon's Avatar
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Posts: 1,112
From: Bay Area
Car Info: Sti hatch
google it, and not to flame, but if you dont feel comfortable taking your stock one off, you shouldnt be doing the install. get a friend and get your hands dirty!
Old Mar 5, 2010 | 08:52 PM
  #3  
xhengmanx's Avatar
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Posts: 7,380
From: the area
Car Info: 04 impreza wrx R.I.P Daniel Wentz JOEBOBBUCKET
pretty easy. take of the intercooler 2 bolts one on the left and one on the right, then the coupler that goes to the throttle body and the coupler under the intercooler that connects to the turbo. then remove the bypassvalve 2 12mm bolts. Then remove the vacuum lines on the intercooler 2 on the left and one on the right.

once you get the intercooler off, remove your stock heatsheild around the turbo all 10mm bolts if i remember. Once you get those off unbolt all the bolts from the downpipe to turbo. 3 14mm nuts on 3 studs and 2 14mm nuts on 14mm bolts. Once you undo the bolts and nuts on the top portion of the downpipe go underneath the car. Make sure your car is on jack stands.

Once under the car, disconnect the o2 sensor from the connecter and make sure the harness is free and not clipped down onto anything. once you disconnect the o2 sensor, get a 12mm and 14mm wrench and socket to remove the bottom end of the down pipe from the midpipe. After the remove those, there are 2 brackets that connect the downpipe to the transmission. those should also be 14mm bolts. remove those and your downpipe will be loose.

Pull the downpipe out and use a 22mm wrench or o2sensor socket to remove the o2senor out of the downpipe and into your new downpipe and reinstall in reverse order. pm if you have any questions
Old Mar 11, 2010 | 10:50 PM
  #4  
dogcatfud's Avatar
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From: Union City, CA
Car Info: 2015 FR-S
saturate the bolts with PB Blaster before removing them
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